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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142AC GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 2√2, 6, 5√2, 10, 10√2, 11√2, 12√2, 14√2, 22, 24, 22√2, 44, 49, 60, 71, 82, 60√2, 71√2.

Code: 825 0 60 714 71 71 713 142 71 114 82 60 50 93 71 491 142 71 63 88 60 107 88 66 106 88 56 445 98 22 607 0 60 600 60 60 144 74 46 26 86 58 120 86 58 241 98 46 224 120 0 223 142 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

82
71√2
71
11√2
5√2
49
6
10
10√2
44
60
60√2
14√2
2√2
12√2
24
22√2
22